/* CSS Design System for EffiBit Technologies */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* CSS VARIABLES */
:root {
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Theme colors - Dark by default */
    --bg-primary: #0a0d14;
    --bg-secondary: #111625;
    --bg-tertiary: #192035;
    --bg-glass: rgba(17, 22, 37, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    /* Accent & Brand Colors */
    --color-primary: #10b981; /* Emerald green (sustainability) */
    --color-primary-rgb: 16, 185, 129;
    --color-secondary: #06b6d4; /* Teal (tech / AI) */
    --color-secondary-rgb: 6, 182, 212;
    --color-accent: #3b82f6; /* Blue (systems engineering) */
    
    /* Gradients */
    --grad-hero: linear-gradient(135deg, var(--bg-primary) 0%, #0d1527 100%);
    --grad-accent: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --grad-dark-glow: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.15) 0%, transparent 60%);
    
    /* Layout & Animation */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

/* Light Theme overrides */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-glass: rgba(255, 255, 255, 0.75);
    --border-color: rgba(0, 0, 0, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    /* Gradients */
    --grad-hero: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --grad-dark-glow: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
    
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* RESET & BASE STYLES */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    outline: none;
}

/* CONTAINER */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* HEADER & NAV */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-fast);
}

.logo-link:hover .logo-img {
    transform: scale(1.05);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: -0.5px;
    background: var(--grad-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--grad-accent);
    transition: width var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Theme Toggle Button */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    color: var(--text-primary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: transform var(--transition-normal);
}

/* Hide light icon in light mode, hide dark icon in dark mode */
[data-theme="light"] .theme-toggle .sun-icon { display: none; }
body:not([data-theme="light"]) .theme-toggle .moon-icon { display: none; }

.cta-button {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
    background: var(--grad-accent);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

/* Mobile Nav Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--text-primary);
    border-radius: 3px;
    transition: all var(--transition-fast);
}

/* HERO SECTION */
.hero {
    min-height: 100vh;
    padding-top: 120px;
    display: flex;
    align-items: center;
    background: var(--grad-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: var(--grad-dark-glow);
    z-index: 1;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-tag {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    display: inline-block;
    margin-bottom: 1.5rem;
    background: rgba(16, 185, 129, 0.1);
    padding: 6px 16px;
    border-radius: 50px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-title span {
    background: var(--grad-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 580px;
}

.hero-btns {
    display: flex;
    gap: 1.25rem;
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.hero-graphic {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(16, 185, 129, 0.1);
    border: 1px solid var(--border-color);
    animation: float 6s ease-in-out infinite;
}

.hero-img {
    width: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    filter: brightness(0.9);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

/* SECTION STRUCTURE */
.section {
    padding: 8rem 0;
    position: relative;
}

.section-bg-alt {
    background-color: var(--bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 5rem auto;
}

.section-subtitle {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.25rem;
    letter-spacing: -0.5px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* MANTRA SECTION */
.mantra-section {
    position: relative;
    overflow: hidden;
    padding: 6rem 0;
    background: radial-gradient(circle at 10% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 40%);
}

.mantra-box {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 4rem 3rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    position: relative;
}

.mantra-quote-icon {
    font-size: 4rem;
    font-family: var(--font-heading);
    line-height: 1;
    color: var(--color-primary);
    opacity: 0.3;
    position: absolute;
    top: 20px;
    left: 40px;
}

.mantra-text {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
    max-width: 900px;
    margin: 0 auto 1.5rem auto;
    letter-spacing: -0.5px;
}

.mantra-author {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* SERVICES SECTION */
.services-tabs-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.services-tabs {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.tab-btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-primary);
    border-color: var(--color-primary);
}

.tab-btn.active {
    background: var(--grad-accent);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
}

.tab-panel {
    display: none;
    animation: fadeIn var(--transition-normal) forwards;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.service-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.service-content h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.service-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.service-features {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.feature-icon-wrapper {
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--color-primary);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-icon-wrapper svg {
    width: 14px;
    height: 14px;
}

.feature-text strong {
    color: var(--text-primary);
    display: block;
    font-size: 1.05rem;
    margin-bottom: 2px;
}

.feature-text span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.service-visual {
    position: relative;
    border-radius: var(--radius-lg);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    min-height: 380px;
    box-shadow: var(--shadow-md);
}

/* Decorative background circles in services visual */
.service-visual::before {
    content: '';
    position: absolute;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
    top: -50px;
    right: -50px;
}

.service-visual::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    bottom: -50px;
    left: -50px;
}

.engineering-diagram, .software-stack {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

.diagram-item, .stack-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.diagram-item:hover, .stack-item:hover {
    transform: translateX(8px);
    border-color: var(--color-primary);
}

.diagram-icon, .stack-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.stack-icon {
    color: var(--color-secondary);
}

.diagram-text h4, .stack-text h4 {
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.diagram-text p, .stack-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* FOCUS AREAS SECTION */
.focus-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.focus-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    align-items: center;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.focus-card:hover {
    transform: translateY(-8px);
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(16, 185, 129, 0.05);
}

.focus-card-img-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    aspect-ratio: 1;
}

.focus-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.focus-card:hover .focus-card-img {
    transform: scale(1.08);
}

.focus-card-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.focus-card-info h3 svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.focus-card-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.focus-card-bullets {
    list-style: none;
}

.focus-card-bullets li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.focus-card-bullets li::before {
    content: '→';
    color: var(--color-secondary);
    font-weight: bold;
}

/* PURPOSE SECTION */
.purpose-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 5rem 4rem;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.purpose-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.purpose-content h3 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.purpose-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.purpose-pillars {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.pillar-card {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.pillar-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-secondary);
}

.pillar-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pillar-text h4 {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.pillar-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* CONTACT SECTION */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-info-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail-item {
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

.detail-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.detail-text span {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    display: block;
}

.detail-text a, .detail-text p {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-primary);
}

.detail-text a:hover {
    color: var(--color-primary);
}

.contact-form {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-sm);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-submit-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    background: var(--grad-accent);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    transition: all var(--transition-fast);
}

.form-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.form-submit-btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.form-submit-btn:hover svg {
    transform: translateX(4px);
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--radius-sm);
    display: none;
    font-size: 0.95rem;
    text-align: center;
}

.form-status.success {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--color-primary);
}

/* FOOTER */
.footer {
    background-color: #05070a;
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 3rem 0;
    color: var(--text-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.footer-brand .logo-link {
    margin-bottom: 0.5rem;
}

.footer-brand p {
    font-size: 0.95rem;
    max-width: 320px;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.footer-links-list a {
    font-size: 0.95rem;
}

.footer-links-list a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-legal-links {
    display: flex;
    gap: 2rem;
}

.footer-legal-links a:hover {
    color: var(--text-secondary);
}

/* SCROLL ANIMATION CLASSES (for intersection observer) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.5, 0, 0, 1), transform 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .hero-graphic {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .focus-grid {
        grid-template-columns: 1fr;
    }
    
    .purpose-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none; /* Hide standard menu on mobile, JS will expand */
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    /* Responsive Mobile Menu styling (toggled via JS) */
    .header.menu-open .nav-menu {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--bg-secondary);
        padding: 2rem;
        border-bottom: 1px solid var(--border-color);
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
        animation: fadeIn 0.3s ease;
    }
    
    .header.menu-open .mobile-toggle span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .header.menu-open .mobile-toggle span:nth-child(2) {
        opacity: 0;
    }
    
    .header.menu-open .mobile-toggle span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .container {
        padding: 0 1.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 5rem 0;
    }
    
    .mantra-text {
        font-size: 1.6rem;
    }
    
    .mantra-box {
        padding: 3rem 1.5rem;
    }
    
    .services-tabs {
        flex-direction: column;
        align-items: stretch;
    }
    
    .tab-btn {
        text-align: center;
    }
    
    .focus-card {
        grid-template-columns: 1fr;
        padding: 2rem;
    }
    
    .focus-card-img-wrapper {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .purpose-container {
        padding: 3rem 1.5rem;
    }
    
    .contact-form {
        padding: 2rem 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}